Follow credible bounty managers. Mostly, startups rely on bounty managers with enough experience in marketing and handling of bounty hunters. You can check them out via telegram and bitcointalk. Been tailing some bounty managers and teams who has handled great projects.
Yes you right, as being bounty hunter my strategy is following the great manger who are making bounty projects that`s have recently more successful projects because there are high possibility that their projects are good enough to have a good income in the future.